@article{DAN_1991_317_3_a28,
     author = {S. V. Ryanzhin},
     title = {A new version of spline models for description of temperature zonality of the surface},
     journal = {Doklady Akademii Nauk},
     pages = {628--634},
     year = {1991},
     volume = {317},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_3_a28/}
}