@article{KUKTF_1977_a4,
     author = {A. L. Kuz'mina},
     title = {Conditions for positiveness of integral quadratic forms},
     journal = {Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz},
     pages = {33--36},
     publisher = {mathdoc},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKTF_1977_a4/}
}