Singer, Ivan
Best approximation in normed linear spaces by elements of linear subpaces
Springer-Verlag , 1970
Buku Teks SO
Grothendieck, A.
Topological vector spaces
Gordon and Breach, Science Publishers, 1975
Buku Teks SO
Wilansky, Albert
Modern methods in topological vector spaces
McGraw-Hill, 1978
Buku Teks SO
P,I-,g and D-Angeles in Normed Spaces
Artikel Jurnal
Galbis, Antonio
Vector analysis versus vector calculus
[Springer, ], 2012
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