Four-dimensional integrable Hamiltonian systems with simple singular points (topological aspects) by Lerman, Lev M., Umanskiy, Yan L. fromTranslations of mathematical monographs 0 Type: Book
Four-dimensional integrable Hamiltonian systems singular points (topological aspects) by Lerman, Lev M., Umanskij, Ân Lazarevič fromTranslations of mathematical monographs 0 Type: Book
Four-dimensional integrable Hamiltonian systems with simple singular points: topological aspects by Lerman, Lev M., Umanskiy, Ya. L. fromTranslations of mathematical monographs 0 Type: Book
Four-dimensional integrable hamiltonian systems with simple singular points (topological aspects) by Lerman, Lev M., Umanskiy, Ya. L. fromTranslations of mathematical monographs 0 Type: Book
Four-dimensional integrable Hamiltonian systems with simple singular points (topological aspects) by Lerman, Lev M., Umanskij, Ya. L. fromTranslations of mathematical monographs 0 Type: Book