Лукмон, Р. М. С., Таджикский национальный университет, Tajikistan

• BULLETIN OF PERM UNIVERSITY. MATHEMATICS. MECHANICS. COMPUTER SCIENCE No. 2 (53) (2021): Bulletin of Perm University. Mathematics. Mechanics. Computer Science - Mathemathics
  Of one over determined system differential equations at private derivative second order with one singular lines in general case
  Abstract  10-15 (Русский)