APA

Krylov N. V., Buzytsky P. L. & Krylov N. V. (1987). Nonlinear elliptic and parabolic equations of the second order. Dordrecht [u.a.]: Reidel.

Chicago

Krylov Nikolaj V, Buzytsky P L and Krylov Nikolaj V. 1987. Nonlinear elliptic and parabolic equations of the second order. Dordrecht [u.a.]: Reidel.

Harvard

Krylov N. V., Buzytsky P. L. and Krylov N. V. (1987). Nonlinear elliptic and parabolic equations of the second order. Dordrecht [u.a.]: Reidel.

MLA

Krylov Nikolaj V, Buzytsky P L and Krylov Nikolaj V. Nonlinear elliptic and parabolic equations of the second order. Dordrecht [u.a.]: Reidel. 1987.