@article{IVM_1974_5_a0,
     author = {B. L. Laptev},
     title = {Aleksandr {Petrovich} {Norden} (on the occasion of his seventieth birthday)},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--11},
     publisher = {mathdoc},
     number = {5},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1974_5_a0/}
}