TY - JOUR AU - Yulia L. Cherepanova AU - Alexander A. Shlapunov TI - On an analogue of the Riemann--Hilbert problem for a non-linear perturbation of the Cauchy--Riemann operator JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2016 SP - 427 EP - 431 VL - 9 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2016_9_4_a2/ LA - en ID - JSFU_2016_9_4_a2 ER -