TY  - JOUR
AU  - Piotr Besala
TI  - Observations on quasi-linear partial differential equations
JO  - Annales Polonici Mathematici
PY  - 1991
SP  - 267
EP  - 283
VL  - 53
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-53-3-267-283/
DO  - 10.4064/ap-53-3-267-283
LA  - en
ID  - 10_4064_ap_53_3_267_283
ER  -