TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1971 VL - 16 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1971.103384/ DO - 10.21136/AM.1971.103384 LA - cz ID - 10_21136_AM_1971_103384 ER -