Groups /
Wallace, D. A. R.
Groups / D. A. R. Wallace. - London : Allen and Unwin, 1974. - [5], 104 p. : ill. - Problem solvers ; no.16. .
0045190127
Group theory--Problems.
Groups / D. A. R. Wallace. - London : Allen and Unwin, 1974. - [5], 104 p. : ill. - Problem solvers ; no.16. .
0045190127
Group theory--Problems.