TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1970 SP - 63 EP - 70 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103267/ DO - 10.21136/AM.1970.103267 LA - cz ID - 10_21136_AM_1970_103267 ER -