@article{IVM_1994_12_a6,
     author = {V. S. Izhutkin and M. V. Petropavlovskii},
     title = {Methods of ``reduced'' directions, based on a differentiable penalty function, for a problem of nonlinear programming},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {50--59},
     publisher = {mathdoc},
     number = {12},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_12_a6/}
}