TY - JOUR TI - News and Notices JO - Czechoslovak Mathematical Journal PY - 1965 SP - 634 EP - 637 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1965.100700/ DO - 10.21136/CMJ.1965.100700 LA - en ID - 10_21136_CMJ_1965_100700 ER -