TY  - JOUR
AU  - Zofia Szmydt
AU  - Bogdan Ziemian
TI  - An invariance method for constructing fundamental solutions for $P(□_mn)$
JO  - Annales Polonici Mathematici
PY  - 1985
SP  - 333
EP  - 360
VL  - 46
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-46-1-333-360/
DO  - 10.4064/ap-46-1-333-360
LA  - en
ID  - 10_4064_ap_46_1_333_360
ER  -