APA

Dennemeyer R., . (1968). Introduction to partial differential equations and boundary value problems. New York: McGraw-Hill.

Chicago

Dennemeyer Rene, . 1968. Introduction to partial differential equations and boundary value problems. New York: McGraw-Hill.

Harvard

Dennemeyer R., . (1968). Introduction to partial differential equations and boundary value problems. New York: McGraw-Hill.

MLA

Dennemeyer Rene, . Introduction to partial differential equations and boundary value problems. New York: McGraw-Hill. 1968.