TY - JOUR AU - Stanisław Ewert-Krzemieniewski TI - On conformally birecurrent Ricci-recurrent manifolds JO - Colloquium Mathematicum PY - 1991 SP - 299 EP - 312 VL - 62 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-62-2-299-312/ DO - 10.4064/cm-62-2-299-312 LA - en ID - 10_4064_cm_62_2_299_312 ER -