TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1978 SP - 389 EP - 396 VL - 23 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1978.103764/ DO - 10.21136/AM.1978.103764 LA - cs ID - 10_21136_AM_1978_103764 ER -