@article{GDZPPN000461903,
title = {Backlund Transformations for a Class of Systems of Differential Equation.},
journal = {Geometric and functional analysis},
volume = {4},
year = {1994},
pages = {270-287},
zbl = {0805.35112},
url = {http://dml.mathdoc.fr/item/GDZPPN000461903}
}
Campos, P.T.; Tenenblat, K. Backlund Transformations for a Class of Systems of Differential Equation.. Geometric and functional analysis, Tome 4 (1994) pp. 270-287. http://gdmltest.u-ga.fr/item/GDZPPN000461903/