TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1971 SP - 81 EP - 82 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1971.103327/ DO - 10.21136/AM.1971.103327 LA - cz ID - 10_21136_AM_1971_103327 ER -