TY - JOUR TI - Recenze JO - Applications of Mathematics PY - 1981 SP - 476 EP - 480 VL - 26 IS - 6 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1981.103937/ DO - 10.21136/AM.1981.103937 LA - cz ID - 10_21136_AM_1981_103937 ER -