@article{ZVMMF_2005_45_6_a2,
     author = {A. F. Izmailov},
     title = {On the analytical and numerical stability of critical {Lagrange} multipliers},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {966--982},
     publisher = {mathdoc},
     volume = {45},
     number = {6},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_6_a2/}
}