TY - JOUR TI - Recenze JO - Applications of Mathematics PY - 1972 SP - 153 EP - 156 VL - 17 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1972.103403/ DO - 10.21136/AM.1972.103403 LA - cs ID - 10_21136_AM_1972_103403 ER -