@article{JEDP_1983____A1_0,
     author = {Baouendi, Mohamed S.},
     title = {Analytic approximation for homogeneous solutions of linear {PDE's}},
     journal = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {1},
     pages = {1--4},
     publisher = {Ecole polytechnique},
     year = {1983},
     zbl = {0531.35017},
     language = {en},
     url = {http://www.numdam.org/item/JEDP_1983____A1_0/}
}