APA (7th ed.) Citation

Payne, L. E. (1975). Improperly posed problems in partial differential equations. Soc. for Ind. and Applied Math.

Chicago Style (17th ed.) Citation

Payne, Lawrence Edward. Improperly Posed Problems in Partial Differential Equations. Philadelphia, Pa: Soc. for Ind. and Applied Math, 1975.

MLA (9th ed.) Citation

Payne, Lawrence Edward. Improperly Posed Problems in Partial Differential Equations. Soc. for Ind. and Applied Math, 1975.