Two problems on $\scr N$-semigroups
| Year of publication: |
1990
|
|---|---|
| Authors: | Guţan, M. |
| Published in: |
Pure Mathematics and Applications. - Közgazdaságtudományi Kar. - Vol. 1.1990, 2, p. 153-159
|
| Publisher: |
Közgazdaságtudományi Kar |