%0 Journal Article %A Z. A. Łomnicki %T Some remarks on the enumeration of rooted trees %J Applicationes Mathematicae %D 1972 %P 481-492 %V 13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-13-4-481-492/ %R 10.4064/am-13-4-481-492 %G en %F 10_4064_am_13_4_481_492