@article{IVM_1960_3_a0,
     author = {A. D. Aleksandrov},
     title = {Investigation on the maximum {principle.~IV}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--15},
     publisher = {mathdoc},
     number = {3},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1960_3_a0/}
}