Reverses of the triangle inequality in inner product spaces
2011 ◽
Vol 217
(18)
◽
pp. 7462-7468
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2005 ◽
Vol 2005
(18)
◽
pp. 2883-2893
◽
2005 ◽
Vol 402
◽
pp. 245-254
◽
2011 ◽
Vol 217
(22)
◽
pp. 9497-9498
1996 ◽
Vol 15
(4)
◽
pp. 515-518
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