@article{VTAMU_2021_26_134_a4,
     author = {M. I. Sumin},
     title = {Lagrange principle and its regularization as a theoretical basis of stable solving optimal control and inverse problems},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {151--171},
     publisher = {mathdoc},
     volume = {26},
     number = {134},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2021_26_134_a4/}
}