@article{MT_2018_21_1_a6,
     author = {A. N. Polkovnikov and N. Tarkhanov},
     title = {A {Riemann-Hilbert} problem for the {Moisil--Teodorescu} system},
     journal = {Matemati\v{c}eskie trudy},
     pages = {155--192},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2018_21_1_a6/}
}