@article{IVM_2014_10_a6,
     author = {S. E. Stepanov and I. I. Tsyganok},
     title = {Theorems of existence and non-existence of conformal {Killing} forms},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {54--61},
     publisher = {mathdoc},
     number = {10},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2014_10_a6/}
}