TY - JOUR AU - Marek, Ivo TI - Neutron transport theory in the multigroup energetical approximation (Preliminary communication) JO - Commentationes Mathematicae Universitatis Carolinae PY - 1962 SP - 3 EP - 13 VL - 03 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1962__3_3_a0/ LA - en ID - CMUC_1962__3_3_a0 ER -