TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1973 SP - 462 EP - 464 VL - 18 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103502/ DO - 10.21136/AM.1973.103502 LA - cz ID - 10_21136_AM_1973_103502 ER -