TY  - JOUR
AU  - Jan Popiołek
TI  - On boundary-value problems for partial differential equations of order higher than two
JO  - Annales Polonici Mathematici
PY  - 1996
SP  - 139
EP  - 150
VL  - 65
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-65-2-139-150/
DO  - 10.4064/ap-65-2-139-150
LA  - en
ID  - 10_4064_ap_65_2_139_150
ER  -