@article{10_4153_CMB_1986_023_3,
     author = {Morawetz, Cathleen Synge},
     title = {Mathematical {Problems} in {Transonic} {Flow}},
     journal = {Canadian mathematical bulletin},
     pages = {129--139},
     year = {1986},
     volume = {29},
     number = {2},
     doi = {10.4153/CMB-1986-023-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1986-023-3/}
}