TY  - JOUR
AU  - Fujimoto, Takao
AU  - Herrero, Carmen
AU  - Villar, António
TI  - Comparing solutions of equation systems involving semipositive operators
JO  - Portugaliae mathematica
PY  - 1985
SP  - 131
EP  - 137
VL  - 43
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1985__43_1_114557/
LA  - en
ID  - PORMA_1985__43_1_114557
ER  -