@article{CRMATH_2011__349_17-18_969_0,
     author = {Boutaous, Fatiha},
     title = {Fractional powers approach of operators for the solvability of some elliptic {PDE's} with variable operators coefficients},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {969--972},
     publisher = {Elsevier},
     volume = {349},
     number = {17-18},
     year = {2011},
     doi = {10.1016/j.crma.2011.08.025},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2011.08.025/}
}