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[1] Sabitov I. Kh., “Kvazikonformnye otobrazheniya poverkhnosti, porozhdennye ee izometricheskimi preobrazovaniyami, i izgibaniya poverkhnosti na sebya”, Fundament. i prikl. matem., 1:1 (1995), 281–288 | MR | Zbl
[2] Sabitov I. Kh., “K voprosu o gladkosti izometrii”, Sib. matem. zhurn., 34:4 (1993), 169–176 | MR | Zbl
[3] Hartman Ph., Wintner A., “On the asymptotic curves of a surface”, Amer. J. Math., 73:1 (1951), 149–172 | DOI | MR | Zbl
[4] Khartman F., Obyknovennye differentsialnye uravneniya, Mir, M., 1970 | MR | Zbl
[5] Ushakov V., Parametrization of developable surfaces by asymptotic lines, Research Report No 43, University of Melburn, 1994, p. 1–9 | Zbl
[6] Hartman Ph., Nirenberg L., “On spherical image maps whose Jacobians do not change sign”, Amer. J. Math., 81:5 (1959), 901–920 | DOI | MR | Zbl
[7] Nevanlinna R., Uniformizatsiya, IL, M., 1955
[8] Spivak M., A comprehensive introduction to Differential Geometry, V. 5, Publish or Perish, Berkley, 1979