@article{GDZPPN002229013, title = {Remarks on the Solvability of Transonic Flow Problems.}, journal = {Manuscripta mathematica}, volume = {61}, year = {1988}, pages = {417-428}, zbl = {0661.76054}, url = {http://dml.mathdoc.fr/item/GDZPPN002229013} }
Necas, Jindrich; Feistauer, Miloslav. Remarks on the Solvability of Transonic Flow Problems.. Manuscripta mathematica, Tome 61 (1988) pp. 417-428. http://gdmltest.u-ga.fr/item/GDZPPN002229013/