Стиль цитування APA (7-ме видання)

Levchuk, V. N. (2017). On the unconditional bases of cores generated by differential equations of the second order.

Чикаго стиль цитування (17-те видання)

Levchuk, V. N. On the Unconditional Bases of Cores Generated by Differential Equations of the Second Order. 2017.

Стиль цитування MLA (8-ме видання)

Levchuk, V. N. On the Unconditional Bases of Cores Generated by Differential Equations of the Second Order. 2017.