TY - JOUR AU - Lihvoinen, Oleg TI - On extensions of families of operators JO - Commentationes Mathematicae Universitatis Carolinae PY - 2023 SP - 227 EP - 252 VL - 64 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2023.023/ DO - 10.14712/1213-7243.2023.023 LA - en ID - 10_14712_1213_7243_2023_023 ER -