%0 Journal Article %T Recenze %J Applications of Mathematics %D 1981 %P 68-80 %V 26 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1981.103896/ %R 10.21136/AM.1981.103896 %G cz %F 10_21136_AM_1981_103896