@article{702303,
title = {Monotone extensions of operators and the first boundary value problem},
booktitle = {Equadiff 5},
series = {GDML\_Books},
publisher = {BSB B.G. Teubner Verlagsgesellschaft},
address = {Leipzig},
year = {1982},
pages = {268-271},
zbl = {0527.46003},
url = {http://dml.mathdoc.fr/item/702303}
}
Netuka, Ivan. Monotone extensions of operators and the first boundary value problem, dans Equadiff 5, GDML_Books, (1982), pp. 268-271. http://gdmltest.u-ga.fr/item/702303/