Tschebysheff, P. L. 1821-1894 Theorie der congruenzen : elemente der zahlentheorie / P. L. Tschebysheff [and] Hermann Schapira - Berlin : Mayer & Muller, 1889 - xvii, [1], 313, [1], 31, [1] p. ; 22 cm. Subjects--Topical Terms: Congruences and residues Dewey Class. No.: 510