@article{MZM_1995_58_5_a0,
     author = {I. K. Babenko and N. N. Nekhoroshev},
     title = {On~complex structures on two-dimensional tori admitting metrics with nontrivial quadratic integral},
     journal = {Matemati\v{c}eskie zametki},
     pages = {643--652},
     publisher = {mathdoc},
     volume = {58},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1995_58_5_a0/}
}