Pyekhtyeryev, V. (2005). H−,R−and L−cross-sections of the infinite symmetric inverse semigroup ISX. Algebra and Discrete Mathematics.
Chicago-Zitierstil (17. Ausg.)Pyekhtyeryev, V. "H−,R−and L−cross-sections of the Infinite Symmetric Inverse Semigroup ISX." Algebra and Discrete Mathematics 2005.
MLA-Zitierstil (8. Ausg.)Pyekhtyeryev, V. "H−,R−and L−cross-sections of the Infinite Symmetric Inverse Semigroup ISX." Algebra and Discrete Mathematics, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.