Green, J. A
Sets and groups J. A Green - London: Routledge & Kegan Paul, 1965. - 84p.
eng
Aggregates (Mathematics)
512.2 / GRS
Sets and groups J. A Green - London: Routledge & Kegan Paul, 1965. - 84p.
eng
Aggregates (Mathematics)
512.2 / GRS