@article{GDZPPN002199467,
title = {A new perturbation criterion for two nonlinear m-accretive operators with applications to semilinear equations.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {334},
year = {1982},
pages = {1-11},
zbl = {0476.47038},
url = {http://dml.mathdoc.fr/item/GDZPPN002199467}
}
Sohr, Hermann. A new perturbation criterion for two nonlinear m-accretive operators with applications to semilinear equations.. Journal für die reine und angewandte Mathematik, Tome 334 (1982) pp. 1-11. http://gdmltest.u-ga.fr/item/GDZPPN002199467/