@article{MM_1993_5_4_a4,
     author = {I. V. Repin and I. A. Sokolova},
     title = {Algorithms for calculating deflection angle and phase shift},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {76--88},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1993_5_4_a4/}
}