@article{700263,
title = {Multiple solutions of nonlinear boundary value problems and topological degree},
booktitle = {Proceedings of Equadiff 9},
series = {GDML\_Books},
publisher = {Masaryk University},
address = {Brno},
year = {1998},
pages = {147-158},
url = {http://dml.mathdoc.fr/item/700263}
}
Rachůnková, Irena. Multiple solutions of nonlinear boundary value problems and topological degree, dans Proceedings of Equadiff 9, GDML_Books, (1998), pp. 147-158. http://gdmltest.u-ga.fr/item/700263/