Three new Mersenne primes, and a conjecture /

Bibliography: leaf 6.

A feasibility conjecture related to the Hirsch conjecture.

Photocopy. [Washington?] Clearinghouse for Federal Scientific and Technical Information of the U. S. Dept. of Commerce [1966?]

Weak congruence relations on graphs /

Vita.

Annibal dans les Alpes,

On cover: Ouvrage renfermant dix-sept cartes et six photographies. Paris, A. Picard, 1902.