TY - JOUR TI - News and Notices JO - Czechoslovak Mathematical Journal PY - 1964 SP - 633 EP - 636 VL - 14 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1964.100645/ DO - 10.21136/CMJ.1964.100645 LA - en ID - 10_21136_CMJ_1964_100645 ER -