Singer, I. (1970). Best approximation in normed linear spaces by elements of linear subspaces. Publishing House of the Academy of the Socialist Republic of Romania [u.a.].
Chicago-Zitierstil (17. Ausg.)Singer, Ivan. Best Approximation in Normed Linear Spaces by Elements of Linear Subspaces. Bucharest [u.a.]: Publishing House of the Academy of the Socialist Republic of Romania [u.a.], 1970.
MLA-Zitierstil (9. Ausg.)Singer, Ivan. Best Approximation in Normed Linear Spaces by Elements of Linear Subspaces. Publishing House of the Academy of the Socialist Republic of Romania [u.a.], 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.