@article{DE_1983_19_3_a6,
     author = {L. I. Kamynin and B. N. Khimchenko},
     title = {An aspect of the development of the theory of the anisotropic strict extremum principle of {A.\,D.~Aleksandrov}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {426--437},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_3_a6/}
}