@article{IVM_1964_6_a0,
     author = {R. G. Aliev},
     title = {On the sign of the {Green's} function of a boundary-value problem for a fourth-order differential equation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--9},
     publisher = {mathdoc},
     number = {6},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_6_a0/}
}