@article{DAN_1989_304_4_a2,
     author = {I. A. Blatov and V. V. Strygin},
     title = {The spline-collocation method on adaptive grids for singularly},
     journal = {Doklady Akademii Nauk},
     pages = {785--788},
     publisher = {mathdoc},
     volume = {304},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_4_a2/}
}