TY  - JOUR
AU  - Chandran, V. R.
TI  - On a problem of B. Zelinka
JO  - Czechoslovak Mathematical Journal
PY  - 1987
VL  - 37
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1987.102140/
DO  - 10.21136/CMJ.1987.102140
LA  - en
ID  - 10_21136_CMJ_1987_102140
ER  -