Affiliation: | (1) Academy of Sciences of The Azerbaijan Republic, Azerbaijan Academy of National Aviation, Institut of Mathematics and Mechanics, Baku, Azerbaijan;(2) Present address: Department of Mathematics, Ankara University Faculty of Sciences, 06100, Tandogan, Ankara, Turkey;(3) Academy of Sciences of the Azerbaijan Republic, Institut of Mathematics and Mechanics, Baku, Azerbaijan;(4) Department of Mathematics, Ankara University, Faculty of Sciences, 06100, Tandogan, Ankara, Turkey |