Publications 
2018
from data base, 2019. I. 01. 
I Győri, F Hartung, N A Mohamady: Boundedness of positive solutions of a system of nonlinear delay differential equations, DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMSSERIES B 23: (2) pp. 809836. type of document: Journal paper/Article language: English DOI 
2017
from data base, 2019. I. 01. 
Győri I, Hartung F, Mohamady N A: Existence and uniqueness of positive solutions of a system of nonlinear algebraic equations, PERIODICA MATHEMATICA HUNGARICA 75: (1) pp. 114127. type of document: Journal paper/Article number of independent citations: 1 language: English DOI 
2016
from data base, 2019. I. 01. 
Hartung F: Nonlinear Variation of Constants Formula for Differential Equations with StateDependent Delays, JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS 28: (3) pp. 11871213. type of document: Journal paper/Article number of independent citations: 1 language: English DOI 
2016
from data base, 2019. I. 01. 
Hartung F: Differentiability of solutions with respect to the delay function in functional differential equations, ELECTRONIC JOURNAL OF QUALITATIVE THEORY OF DIFFERENTIAL EQUATIONS 2016: (73) pp. 116. type of document: Journal paper/Article number of independent citations: 1 language: English DOI 
2015
from data base, 2019. I. 01. 
Győri I, Hartung F, Mohamady N A: On a nonlinear delay population model, APPLIED MATHEMATICS AND COMPUTATION 270: pp. 909925. type of document: Journal paper/Article number of independent citations: 5 language: English DOI 
2006
from data base, 2019. I. 01. 
Hartung F, Krisztin T, Walther HO, Wu J: Chapter 5 Functional Differential Equations with StateDependent Delays: Theory and Applications, In: Szerk.: Canada A, Szerk.: Drabek P, Szerk.: Fonda A Handbook of differential equations: Ordinary differential equations. Amsterdam: Elsevier; NorthHolland, 2006. pp. 435545. Vol. 3 type of document: Part of book/Szaktanulmány (to be translated) number of independent citations: 193 language: English DOI 
2005
from data base, 2019. I. 01. 
F Hartung: Linearized stability in periodic functional differential equations with statedependent delays, JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 174: (2) pp. 201211. type of document: Journal paper/Article number of independent citations: 76 language: English DOI 
2000
from data base, 2019. I. 01. 
F Hartung, T L Herdman, J Turi: Parameter identification in classes of neutral differential equations with statedependent delays, NONLINEAR ANALYSISTHEORY METHODS & APPLICATIONS 39: (3) pp. 305325. type of document: Journal paper/Article number of independent citations: 51 language: English DOI 
1998
from data base, 2019. I. 01. 
I Győri, F Hartung, J Turi: Preservation of stability in delay equations under delay perturbations, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 220: (1) pp. 290312. type of document: Journal paper/Article number of independent citations: 36 language: English DOI 
1997
from data base, 2019. I. 01. 
F Hartung, J Turi: On differentiability of solutions with respect to parameters in statedependent delay equations, JOURNAL OF DIFFERENTIAL EQUATIONS 135: (2) pp. 192237. type of document: Journal paper/Article number of independent citations: 54 language: English DOI 

Number of independent citations to these publications:  418 
