TY  - JOUR
AU  - Jendroľ, Stanislav
AU  - Jucovič, Ernest
TI  - Generalization of a theorem by V. Eberhard
JO  - Mathematica slovaca
PY  - 1977
SP  - 383
EP  - 407
VL  - 27
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1977__27_4_a6/
LA  - en
ID  - MASLO_1977__27_4_a6
ER  -