Problems for Solution: E1275-E1280

Autor: Ogilvy, C. S., Oppenheim, Alexander, Ivanoff, V. F., Ford,, L. F., Fulkerson, D. R., Narayanan, V. K.
Zdroj: The American Mathematical Monthly, 1957 Aug 01. 64(7), 504-505.
Databáze: JSTOR Journals