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Integral Equations and Operator Theory > 2012 > 72 > 2 > 223-240
Integral Equations and Operator Theory > 2010 > 66 > 1 > 141-152
Integral Equations and Operator Theory > 2012 > 72 > 2 > 223-240
Integral Equations and Operator Theory > 2010 > 66 > 1 > 141-152