TY  - JOUR
AU  - Jingyal Pak
TI  - On the fiber-preserving maps
JO  - Colloquium Mathematicum
PY  - 1977
SP  - 223
EP  - 227
VL  - 38
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-38-2-223-227/
DO  - 10.4064/cm-38-2-223-227
LA  - en
ID  - 10_4064_cm_38_2_223_227
ER  -