INITIAL–BOUNDARY VALUE PROBLEMS FOR FUSS-WINKLER-ZIMMERMANN AND SWIFT–HOHENBERG NONLINEAR EQUATIONS OF 4TH ORDER Статья Kostin D.V. Matematicki Vesnik. Drustvo Matematicara Srbije. Том 70. 2018. С. 26-39
INITIAL BOUNDARY VALUE PROBLEMS FOR FUSS-WINKLER-ZIMMERMANN AND SWIFT-HOHENBERG NONLINEAR EQUATIONS OF 4TH ORDER Статья Kostin D.V. Matematicki Vesnik. Drustvo Matematicara Srbije. Том 70. 2018. С. 26-39
ON MONOTONICITY OF RATIOS OF SOME Q-HYPERGEOMETRIC FUNCTIONS Статья Mehrez K., Sitnik S.M. Matematicki Vesnik. Drustvo Matematicara Srbije. Том 68. 2016. С. 225-231