Стиль цитування APA (7-ме видання)

Sjomkina, E. V. (2014). Volterra second-order integro-differential equations unresolved for the higher derivative. The case of semibounded operator coefficients.

Чикаго стиль цитування (17-те видання)

Sjomkina, E. V. Volterra Second-order Integro-differential Equations Unresolved for the Higher Derivative. The Case of Semibounded Operator Coefficients. 2014.

Стиль цитування MLA (8-ме видання)

Sjomkina, E. V. Volterra Second-order Integro-differential Equations Unresolved for the Higher Derivative. The Case of Semibounded Operator Coefficients. 2014.