@article{EMJ_2023_14_1_a0,
     author = {A. V. Arutyunov and S. E. Zhukovskiy},
     title = {On the {Lagrange} multiplier rule for minimizing sequences},
     journal = {Eurasian mathematical journal},
     pages = {8--15},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2023_14_1_a0/}
}