TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1973 SP - 375 EP - 377 VL - 18 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103489/ DO - 10.21136/AM.1973.103489 LA - cs ID - 10_21136_AM_1973_103489 ER -