@article{MZM_1967_1_6_a5,
     author = {M. V. Vishnyakov and A. Yu. Levin},
     title = {Estimate of a determinant whose elements lie inside a given circle},
     journal = {Matemati\v{c}eskie zametki},
     pages = {659--664},
     publisher = {mathdoc},
     volume = {1},
     number = {6},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_6_a5/}
}