TY  - JOUR
TI  - Journal for the Cultivation of Mathematics. Abstracts
JO  - Czechoslovak Mathematical Journal
PY  - 1956
SP  - 563
EP  - 579
VL  - 6
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1956.100221/
DO  - 10.21136/CMJ.1956.100221
LA  - en
ID  - 10_21136_CMJ_1956_100221
ER  -