BIMOMENT NAZARIYASI ASOSIDA ELASTIK ASOSDAGI TO‘G‘RI TO‘RTBURCHAK PLASTINKANING KO‘NDALANG TEBRANISHLARI Usarov M.K.,Askarkhodjaev Sh.I.,Usanov F.A. (##default.groups.name.author##) 47-59 2026-06-30