@incollection{JEDP_1987____A19_0,
     author = {V. P. Maslov},
     title = {Ill posed {Cauchy} problems for ideal gas equations and their regularization},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {19},
     pages = {1--17},
     publisher = {\'Ecole polytechnique},
     year = {1987},
     zbl = {0641.76068},
     mrnumber = {920014},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1987____A19_0/}
}