The theory of groups :
Rotman, Joseph J.
The theory of groups : an introduction / Joseph J. Rotman. - 2 ed. - boston : Allyn and Bacon 1976. - 324 p. 23 cm.
TEORIA DE GRUPO
The theory of groups : an introduction / Joseph J. Rotman. - 2 ed. - boston : Allyn and Bacon 1976. - 324 p. 23 cm.
TEORIA DE GRUPO