@article{MZM_2007_82_4_a18,
     author = {A. E. Mironov},
     title = {Relationship {Between} {Symmetries} of the {Tzizeica} {Equation} and the {Novikov--Veselov} {Hierarchy}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {637--640},
     publisher = {mathdoc},
     volume = {82},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2007_82_4_a18/}
}