TY - JOUR TI - News and Notices JO - Czechoslovak Mathematical Journal PY - 1977 SP - 170 EP - 171 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101455/ DO - 10.21136/CMJ.1977.101455 LA - en ID - 10_21136_CMJ_1977_101455 ER -