Lyakhovich LS, Akimov PA, Tukhfatullin BA. CRITERION OF MINIMUMMATERIAL CONSUMPTIONOF FLANGE OF I-SHAPED BAR WITH A VARIATION IN ITS THICKNESS ANDOUTLINE OF THE WIDTH, WITH RESTRICTION TO THE VALUE OF THE CRITICALFORCE OR RESTRICTIONTO THE VALUE OF THEFIRSTNATURAL FREQUENCY INTWO PRINCIPAL PLANESO. IJCCSE [Internet]. 2018 Jun. 29 [cited 2024 Apr. 20];14(2):96-108. Available from: https://ijccse.iasv.ru/index.php/ijccse/article/view/141