TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1970 SP - 296 EP - 300 VL - 15 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103297/ DO - 10.21136/AM.1970.103297 LA - cs ID - 10_21136_AM_1970_103297 ER -