@article{DAN_1960_130_5_a15,
     author = {V. I. Skobelkin},
     title = {Variation principles in determining the main characteristics of a ferromagnetic by the calculation of its hysteresis loop},
     journal = {Doklady Akademii Nauk},
     pages = {1012--1014},
     year = {1960},
     volume = {130},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_130_5_a15/}
}