TY  - JOUR
TI  - Journal for the Cultivation of Mathematics. Abstracts
JO  - Czechoslovak Mathematical Journal
PY  - 1960
SP  - 160
EP  - 161
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1960.100397/
DO  - 10.21136/CMJ.1960.100397
LA  - en
ID  - 10_21136_CMJ_1960_100397
ER  -