TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1976 SP - 66 EP - 76 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1976.103622/ DO - 10.21136/AM.1976.103622 LA - cz ID - 10_21136_AM_1976_103622 ER -