@article{IVM_1985_12_a13,
     author = {M. I. Israilov and R. S. Rakhimova},
     title = {Derivation of explicit formulas for trigonometric splines},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {61--63},
     year = {1985},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1985_12_a13/}
}