Sitnik S.M.

Siberian Electronic Mathematical Reports. Sobolev Institute of Mathematics. Vol. 15. 2018. P. 1-10

Results in Mathematics. Birkhauser Verlag AG. Vol. 72. 2017. P. 703-714

JOURNAL OF INEQUALITIES AND SPECIAL FUNCTIONS. UNIV PRISHTINES. Vol. 8. 2017. P. 49-67

JOURNAL OF INEQUALITIES AND SPECIAL FUNCTIONS. UNIV PRISHTINES. Vol. 8. 2017. P. 140-157

Electronic Journal of Differential Equations. Vol. 2017. 2017.

Siberian Electronic Mathematical Reports. Sobolev Institute of Mathematics. Vol. 13. 2016. P. 849-860

Siberian Electronic Mathematical Reports. Sobolev Institute of Mathematics. Vol. 13. 2016. P. 260-268

Matematicki Vesnik. Drustvo Matematicara Srbije. Vol. 68. 2016. P. 225-231

Problemy Analiza. Petrozavodsk State University. Vol. 5. 2016. P. 3-19