%0 Journal Article
%A Zofia Szmydt
%A Bogdan Ziemian
%T An invariance method for constructing fundamental solutions for $P(□_mn)$
%J Annales Polonici Mathematici
%D 1985
%P 333-360
%V 46
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-46-1-333-360/
%R 10.4064/ap-46-1-333-360
%G en
%F 10_4064_ap_46_1_333_360