TY  - JOUR
AU  - P. Hitczenko
TI  - On a conjecture of J. Zinn
JO  - Commentationes Mathematicae
PY  - 1989
SP  -  219
EP  - 222
VL  - 28
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v28i2.6235/
DO  - 10.14708/cm.v28i2.6235
LA  - pl
ID  - 10_14708_cm_v28i2_6235
ER  -