The complexity of certain problems for groups and semigroups
Doklady Akademii Nauk, Tome 191 (1970) no. 5, pp. 989-992
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@article{DAN_1970_191_5_a7,
author = {Z. K. Litvintseva},
title = {The complexity of certain problems for groups and semigroups},
journal = {Doklady Akademii Nauk},
pages = {989--992},
publisher = {mathdoc},
volume = {191},
number = {5},
year = {1970},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_5_a7/}
}
Z. K. Litvintseva. The complexity of certain problems for groups and semigroups. Doklady Akademii Nauk, Tome 191 (1970) no. 5, pp. 989-992. http://geodesic.mathdoc.fr/item/DAN_1970_191_5_a7/