@article{VSGTU_2019_23_2_a0,
     author = {L. N. Krivonosov and V. A. Lukyanov},
     title = {Duality equations on a 4-manifold of conformal torsion-free connection and some of their solutions for the zero signature},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {207--228},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2019_23_2_a0/}
}