@article{VTGU_2023_81_a6,
     author = {G. I. Afonin},
     title = {On the principle of least action in terms of incompressible fluid flow in a channel of variable cross-section},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {73--86},
     publisher = {mathdoc},
     number = {81},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2023_81_a6/}
}