TY  - JOUR
TI  - Summaries of articles published in this issue
JO  - Czechoslovak Mathematical Journal
PY  - 1968
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100855/
DO  - 10.21136/CMJ.1968.100855
LA  - en
ID  - 10_21136_CMJ_1968_100855
ER  -