TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1971 SP - 302 EP - 313 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1971.103360/ DO - 10.21136/AM.1971.103360 LA - cz ID - 10_21136_AM_1971_103360 ER -