@article{JSFU_2016_9_4_a2,
     author = {Yulia L. Cherepanova and Alexander A. Shlapunov},
     title = {On an analogue of the {Riemann{\textendash}Hilbert} problem for a non-linear perturbation of the {Cauchy{\textendash}Riemann} operator},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {427--431},
     year = {2016},
     volume = {9},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2016_9_4_a2/}
}