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Publications in Math-Net.Ru |
Citations |
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1956 |
1. |
P. G. Kontorovich, A. D. Katsman, “Some types of elements of a semigroup invariant in a group”, Uspekhi Mat. Nauk, 11:3(69) (1956), 145–150 |
2. |
A. D. Katsman, “On some properties of a semigroup invariant in a group”, Uspekhi Mat. Nauk, 11:2(68) (1956), 179–183 |
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