%0 Journal Article %T Recense %J Applications of Mathematics %D 1963 %P 69-74 %V 8 %N 1 %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1963.102839/ %R 10.21136/AM.1963.102839 %G cs %F 10_21136_AM_1963_102839