@article{IVM_1990_10_a9,
     author = {E. E. Vitrichenko and G. V. Drekova},
     title = {Some projection methods for solving singular integro-differential equations in the exceptional case},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {61--65},
     publisher = {mathdoc},
     number = {10},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_10_a9/}
}