@article{DAN_1972_206_1_a10,
     author = {M. I. Estrin},
     title = {A version of the complex loading theory},
     journal = {Doklady Akademii Nauk},
     pages = {43--46},
     publisher = {mathdoc},
     volume = {206},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_206_1_a10/}
}