@article{DAN_1991_320_4_a11,
     author = {B. Yu. Sternin and V. E. Shatalov},
     title = {On the concept of an elementary solution in the complex theory of},
     journal = {Doklady Akademii Nauk},
     pages = {825--829},
     publisher = {mathdoc},
     volume = {320},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a11/}
}