E2351

MLA

Stefan Porubsky, and M. G. Greening. “E2351.” The American Mathematical Monthly, vol. 80, Apr. 1973, p. 436. EBSCOhost, https://doi.org/10.2307/2319097.

APA

Stefan Porubsky, & M. G. Greening. (1973). E2351. The American Mathematical Monthly, 80, 436. https://doi.org/10.2307/2319097

Chicago

Stefan Porubsky, and M. G. Greening. 1973. “E2351.” The American Mathematical Monthly 80 (April): 436. doi:10.2307/2319097.