Author: Yu. G. Reshetnyak
Alternate names: Yurii Grigorievich Reshetnyak; Юрий Григорьевич Решетняк
Born: September 26, 1929
Bio: Yurii Grigorievich Reshetnyak (Russian: Ю́рий Григо́рьевич Решетня́к) is a Soviet Russian mathematician and academician.

He is working in geometry and the theory of functions of a real variable. He is known for his work in the Reshetnyak gluing theorem. 
Reshetnyak received the 2000 Lobachevsky Prize from the Russian Academy of Sciences.