TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1977 SP - 311 EP - 316 VL - 22 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1977.103706/ DO - 10.21136/AM.1977.103706 LA - cz ID - 10_21136_AM_1977_103706 ER -