00646naa#a2200181#i#450# EN\\bibl\84440 20250520110632.2 2686-7788 20240625b2024####ek#y0engy0150####ca RU DESIGNING A BRIDGE STRUCTURE WITH THE APPLICATION OF DIFFERENTIAL CALCULUS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2024 4 с. Journal article local Математика. 51 Panov Leonid Alexeevich Sverdlova Ol'ga Leonidovna angtu.editorum.ru