APPLICATION OF THE PRINCIPLE OF CONTRACTION MAPPING TO STUDY THE SOLUTION OF NONLINEAR FUNCTIONAL EQUATIONS IN BANACH SPACES

Davlatali Akbarov, Hamidillo Turakulov
2020 Bulletin of National Technical University of Ukraine Kyiv Polytechnic Institute Series Instrument Making  
doi:10.20535/1970.59(1).2020.210034 fatcat:wubne2cqorfnfkigntrd326ela