Risteska - Kamcheski A. GENERALIZATION OF APPLICATION OF FUNDAMENTAL LEMMA OF VARIATIONAL CALCULUS TO THE REVOLUTIONIZE TRANSPORTATION BY USING THE SOLUTION OF BRACHICHRONE. bjami [Internet]. 2023Jun.20 [cited 2024Dec.22];6(1):49-8. Available from: https://js.ugd.edu.mk/index.php/bjami/article/view/5658