TY - JOUR TI - Book Reviews JO - Applications of Mathematics PY - 1962 SP - 399 EP - 402 VL - 7 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1962.102822/ DO - 10.21136/AM.1962.102822 LA - cs ID - 10_21136_AM_1962_102822 ER -