%0 Journal Article %T Recenze %J Applications of Mathematics %D 1980 %P 305-314 %V 25 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1980.103863/ %R 10.21136/AM.1980.103863 %G cz %F 10_21136_AM_1980_103863