Gleason, A. M., Kelly, L. M., Greenwood, R. E., Greenwood, R. E., & Kelly, L. M. 1. (1980). The William Lowell Putnam mathematical competition: Problems and solutions: 1938-1964. [New York]: Published and distributed by Mathematical Association of America.
Παραπομπή Chicago StyleGleason, A. M., L. M. Kelly, R. E. Greenwood, R. E. Greenwood, and L. M. 1914- Kelly. The William Lowell Putnam Mathematical Competition: Problems and Solutions: 1938-1964. [New York]: Published and distributed by Mathematical Association of America, 1980.
Παραπομπή MLAGleason, A. M., et al. The William Lowell Putnam Mathematical Competition: Problems and Solutions: 1938-1964. [New York]: Published and distributed by Mathematical Association of America, 1980.
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