TY - JOUR TI - Summaries of articles published in this issue JO - Czechoslovak Mathematical Journal PY - 1967 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1967.100754/ DO - 10.21136/CMJ.1967.100754 LA - en ID - 10_21136_CMJ_1967_100754 ER -