TY - JOUR TI - Recenze JO - Applications of Mathematics PY - 1980 SP - 387 EP - 389 VL - 25 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1980.103873/ DO - 10.21136/AM.1980.103873 LA - cz ID - 10_21136_AM_1980_103873 ER -