Sets and groups
Green, J. A.
Sets and groups - London : Routledge and Kegan Paul, 1967. - ix,84p. : ill. ; 19cm.
Groups, Theory of
Aggregates
PAM QA171.G68
Sets and groups - London : Routledge and Kegan Paul, 1967. - ix,84p. : ill. ; 19cm.
Groups, Theory of
Aggregates
PAM QA171.G68