APA Edition Citation

Schafer, P. (1988). Maximum principles and eigenvalue problems in partial differential equations. Longman.

Chicago Edition Citation

Schafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.

MLA Edition Citation

Schafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.

Warning: These citations may not always be 100% accurate.