%0 Journal Article %T Recense %J Applications of Mathematics %D 1975 %P 222-226 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1975.103586/ %R 10.21136/AM.1975.103586 %G cz %F 10_21136_AM_1975_103586