@article{RM_1967_22_2_a2,
     author = {V. D. Kupradze},
     title = {On the approximate solution of problems in mathematical physics},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {58--108},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1967},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1967_22_2_a2/}
}