@article{JSFU_2013_6_3_a10,
     author = {Marina I. Tulina},
     title = {Explicit {Variational} {Formulas} for {Third-order} {Equations} on {Riemann} {Surfaces}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {365--375},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2013_6_3_a10/}
}