@article{00772756,
title = {On continuity and monotonicity of Darboux transformations.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {62},
year = {1993},
pages = {229-236},
zbl = {0823.26001},
language = {en},
url = {http://dml.mathdoc.fr/item/00772756}
}
Pawlak, R.J. On continuity and monotonicity of Darboux transformations.. Acta Mathematica Universitatis Comenianae. New Series, Tome 62 (1993) pp. 229-236. http://gdmltest.u-ga.fr/item/00772756/