@article{GDZPPN00223744X, title = {A Harnack Inequality for the Equation ..., when |b| ... Kn + 1.}, journal = {Manuscripta mathematica}, volume = {91}, year = {1996}, pages = {61-78}, url = {http://dml.mathdoc.fr/item/GDZPPN00223744X} }
Zhang, Qi. A Harnack Inequality for the Equation ..., when |b| ... Kn + 1.. Manuscripta mathematica, Tome 91 (1996) pp. 61-78. http://gdmltest.u-ga.fr/item/GDZPPN00223744X/