%0 Journal Article %T Recense %J Applications of Mathematics %D 1962 %P 76-81 %V 7 %N 1 %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1962.102787/ %R 10.21136/AM.1962.102787 %G cs %F 10_21136_AM_1962_102787