TY  - JOUR
AU  - O. Macedońska-Nosalska
TI  - On the coincidence of verbal products
JO  - Commentationes Mathematicae
PY  - 1975
SP  -  273
EP  - 276
VL  - 18
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v18i2.5828/
DO  - 10.14708/cm.v18i2.5828
LA  - pl
ID  - 10_14708_cm_v18i2_5828
ER  -