TY - JOUR AU - J. J. Telega TI - Determination of the potential form of operators JO - Mathematica Applicanda PY - 1982 SP - 107 EP - 122 VL - 10 IS - 18 UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v10i18.1526/ DO - 10.14708/ma.v10i18.1526 LA - pl ID - 10_14708_ma_v10i18_1526 ER -