TY  - JOUR
AU  - Zelinka, Bohdan
TI  - Tolerance in algebraic structures. II
JO  - Czechoslovak Mathematical Journal
PY  - 1975
SP  - 175
EP  - 178
VL  - 25
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101308/
DO  - 10.21136/CMJ.1975.101308
LA  - en
ID  - 10_21136_CMJ_1975_101308
ER  -