TY - JOUR AU - R. R. Salimov AU - M. V. Stefanchuk PY - 2021/03/19 Y2 - 2024/03/28 TI - Logarithmic asymptotics of the nonlinear Cauchy – Riemann – Beltrami equation JF - Ukrains’kyi Matematychnyi Zhurnal JA - Ukr. Mat. Zhurn. VL - 73 IS - 3 SE - Research articles DO - 10.37863/umzh.v73i3.6403 UR - https://umj.imath.kiev.ua/index.php/umj/article/view/6403 AB - UDC 517.54; 517.12We investigate regular solutions of the nonlinear Cauchy – Riemann – Beltrami equation in terms of lower limits and solve an extreme problem for the disk image area functional on a certain class of solutions to the nonlinear Cauchy – Riemann – Beltrami system. ER -