%0 Journal Article %A Klucký, Dalibor %T Two theorems on homomorphism of projective nets %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1977 %P 149-153 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1977__16_1_a11/ %G en %F AUPO_1977__16_1_a11