%0 Journal Article %T Recense %J Applications of Mathematics %D 1963 %P 392-397 %V 8 %N 5 %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1963.102872/ %R 10.21136/AM.1963.102872 %G cs %F 10_21136_AM_1963_102872