@article{IVM_2014_4_a6,
     author = {A. A. Shcheglova and S. A. Anishchuk},
     title = {An index of linear system of differential-algebraic system with partial derivatives},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {62--79},
     publisher = {mathdoc},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2014_4_a6/}
}