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Journal of Mathematical Analysis and Applications > 2018 > 458 > 1 > 345-360
Monatshefte für Mathematik > 2018 > 186 > 2 > 249-279
Computers and Mathematics with Applications > 2011 > 62 > 8 > 2899-2912
Journal of Mathematical Analysis and Applications > 2018 > 458 > 1 > 345-360
Monatshefte für Mathematik > 2018 > 186 > 2 > 249-279
Computers and Mathematics with Applications > 2011 > 62 > 8 > 2899-2912