@article{DEMR_2014_1_a3,
     author = {M. M. Sirazhudinov and S. E. Pastukhova and S. P. Dgamaludinova},
     title = {Asymptotic expansions for the system of {Beltrami} equations},
     journal = {Daghestan Electronic Mathematical Reports},
     pages = {79--83},
     publisher = {mathdoc},
     volume = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DEMR_2014_1_a3/}
}