%0 Journal Article %A Marek, Ivo %T Neutron transport theory in the multigroup energetical approximation (Preliminary communication) %J Commentationes Mathematicae Universitatis Carolinae %D 1962 %P 3-13 %V 03 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1962__3_3_a0/ %G en %F CMUC_1962__3_3_a0