@article{SM_1989_64_2_a17,
     author = {V. T. Fomenko and I. A. Bikchantaev},
     title = {Application of generalized analytic functions on {Riemann} surfaces to the investigation of $G$-deformations of two-dimensional surfaces in~$E^4$},
     journal = {Sbornik. Mathematics},
     pages = {557--569},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1989_64_2_a17/}
}