@article{VSGTU_2009_2_a12,
     author = {A. N. Kuznetsov and A. S. Sipin},
     title = {Statistical estimates for the degrees of {Green} operator},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {114--123},
     publisher = {mathdoc},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2009_2_a12/}
}