TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1969 SP - 168 EP - 170 VL - 14 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1969.103219/ DO - 10.21136/AM.1969.103219 LA - cz ID - 10_21136_AM_1969_103219 ER -