TY - JOUR AU - Adam Idzik TI - Equivalent definitions for the measurability of a multivariate function and Filippov's lemma JO - Mathematica Applicanda PY - 1979 SP - 63 EP - 70 VL - 7 IS - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v7i14.1431/ DO - 10.14708/ma.v7i14.1431 LA - pl ID - 10_14708_ma_v7i14_1431 ER -