TY  - JOUR
AU  - Jakubík, Ján
TI  - On some types of kernels of a convergence $l$-group
JO  - Czechoslovak Mathematical Journal
PY  - 1989
SP  - 239
EP  - 247
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102299/
DO  - 10.21136/CMJ.1989.102299
LA  - en
ID  - 10_21136_CMJ_1989_102299
ER  -