Oscillations of nonlinear differential equations with several deviating arguments

by George Chatzarakis, Julio Dix
Published 2018-06-01

Oscillations of advanced difference equations with variable arguments

by George Chatzarakis, Ioannis Stavroulakis
Published 2012-09-01

Explicit integral criteria for the existence of positive solutions of first order linear delay equations

by George Chatzarakis, Josef Diblik, Ioannis Stavroulakis
Published 2016-07-01

Existence of positive solutions of linear delay difference equations with continuous time

by George Chatzarakis, István Győri, Hajnalka Péics, Ioannis Stavroulakis
Published 2015-03-01