@article{DAN_1997_353_2_a5,
     author = {V. V. Strygin and E. V. Kuznetsova},
     title = {A fourth-order spline collocation method for singularly perturbed},
     journal = {Doklady Akademii Nauk},
     pages = {167--169},
     publisher = {mathdoc},
     volume = {353},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_2_a5/}
}