Cernikov, S. N.
14 papers on groups and semigroups - American Mathematical Society Providence 1964 - 395 - American Mathematical Society translations ; ser. 02, 00036 .
B J6.1-J6.72
51(06) AME
14 papers on groups and semigroups - American Mathematical Society Providence 1964 - 395 - American Mathematical Society translations ; ser. 02, 00036 .
B J6.1-J6.72
51(06) AME