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A fixed point approach to the stability of the cauchy additive and quadratic type functional equation
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نویسنده
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jin s.s. ,lee y.-h.
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منبع
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journal of applied mathematics - 2011 - دوره : 2011 - شماره : 0
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چکیده
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We investigate the stability of the functional equation 2f (x + y) + f (x - y) + f (y - x) - 3 f (x) - f (- x) - 3 f (y) - f (- y) = 0 by using the fixed point theory in the sense of cdariu and radu. copyright © 2011 sun sook jin and yang-hi lee.
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آدرس
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department of mathematics education,gongju national university of education, South Korea, department of mathematics education,gongju national university of education, South Korea
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Authors
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