Nizhnik , L. P., Taraborkin , L. A., Нижник , Л. П., & Тараборкин , Л. А. (1991). On self-conjugate operators generated nonhomogeneous elliptical problems with discontinuity boundary conditions and conditions of conjugacy. Institute of Mathematics, NAS of Ukraine.
Чикаго стиль цитування (17-те видання)Nizhnik , L. P., L. A. Taraborkin , Л. П Нижник , та Л. А Тараборкин. On Self-conjugate Operators Generated Nonhomogeneous Elliptical Problems with Discontinuity Boundary Conditions and Conditions of Conjugacy. Institute of Mathematics, NAS of Ukraine, 1991.
Стиль цитування MLA (8-ме видання)Nizhnik , L. P., et al. On Self-conjugate Operators Generated Nonhomogeneous Elliptical Problems with Discontinuity Boundary Conditions and Conditions of Conjugacy. Institute of Mathematics, NAS of Ukraine, 1991.