@article{10_21136_MB_1996_125949,
     author = {Lu, Zhu-Jia},
     title = {Exact solutions of {Cauchy} problem for partial differential equations with double characteristics and singular coefficients},
     journal = {Mathematica Bohemica},
     pages = {9--24},
     publisher = {mathdoc},
     volume = {121},
     number = {1},
     year = {1996},
     doi = {10.21136/MB.1996.125949},
     mrnumber = {1388169},
     zbl = {0863.35025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1996.125949/}
}