Стиль цитування APA (7-ме видання)

Kobyakova, L. (2012). Spectral Problem Generated by the Equation of Smooth String with Piece-Wise Constant Friction.

Чикаго стиль цитування (17-те видання)

Kobyakova, L. Spectral Problem Generated by the Equation of Smooth String with Piece-Wise Constant Friction. 2012.

Стиль цитування MLA (8-ме видання)

Kobyakova, L. Spectral Problem Generated by the Equation of Smooth String with Piece-Wise Constant Friction. 2012.