%0 Journal Article
%A Mullin, R. C.
%T On the Average Number of Trees in Certain Maps
%J Canadian journal of mathematics
%D 1966
%P 33-41
%V 18
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-006-6/
%R 10.4153/CJM-1966-006-6
%F 10_4153_CJM_1966_006_6