Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
Numerical Semigroups
e-kirja,
2009,
englanti,
ISBN 9781441901606
Let N be the set of nonnegative integers. A numerical semigroup is a nonempty subset S of N that is closed under addition, contains the zero element, and whose complement in N is …