TY - JOUR AU - A. V. Arutyunov AU - K. I. Salikhova TI - Implicit Function Theorem in a Neighborhood of an Abnormal Point JO - Informatics and Automation PY - 2021 SP - 26 EP - 33 VL - 315 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2021_315_a2/ LA - ru ID - TRSPY_2021_315_a2 ER -