@article{VSGTU_2017_21_4_a2,
     author = {V. A. Luk'yanov and L. N. Krivonosov},
     title = {Yang--Mills equations on conformally connected torsion-free 4-manifolds  with different signatures},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {633--650},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2017_21_4_a2/}
}