@article{VSGTU_2012_1_a30,
     author = {P. V. Roters},
     title = {Productivity analysis of doubly periodic systems of production wells},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {268--270},
     publisher = {mathdoc},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2012_1_a30/}
}