@article{DAN_1993_331_1_a6,
     author = {M. G. Yumagulov},
     title = {A method for the functionalization of the parameter in iterative},
     journal = {Doklady Akademii Nauk},
     pages = {24--27},
     publisher = {mathdoc},
     volume = {331},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_331_1_a6/}
}