@article{EJDE_2002__2002__a39,
     author = {Yakubov,  Yakov},
     title = {Completeness of elementary solutions of second order elliptic equations in a semi-infinite tube domain},
     journal = {Electronic journal of differential equations},
     year = {2002},
     volume = {2002},
     zbl = {1008.47044},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a39/}
}