Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Le Khyu Zien, Candidate of physico-mathematical sciences (1978) Speciality: 01.01.01 (Real analysis, complex analysis, and functional analysis) https://www.mathnet.ru/eng/person143343 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1979 1. Le Khyu Zien, V. I. Shevchenko, “Homotopy classification of systems in the plane that are elliptic in the sense of Douglis and Nirenberg”, Dokl. Akad. Nauk SSSR, 244:4 (1979),  824–827       1978 2. Le Khyu Zien, V. I. Shevchenko, “Homotopy classification of Petrovskii elliptic systems of equations in the plane”, Dokl. Akad. Nauk SSSR, 238:1 (1978),  26–28