@article{ZVMMF_2002_42_5_a4,
     author = {L. T. Ashchepkov and I. B. Kosogorova},
     title = {Minimization of a quadratic function with interval coefficients},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {653--664},
     year = {2002},
     volume = {42},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2002_42_5_a4/}
}