@article{PFMT_2013_1_a15,
     author = {N. M. Fedartsova},
     title = {Correction method for solving perturbed parametric linear-quadratic optimal control problems in the neighbourhood of irregular parameter value},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {88--95},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2013_1_a15/}
}