Authors: Wu, Changqun^{Aff1_w2aab3b7c28b1b6b1aab1b4b3Aa}, Wei, Zhiqiang^{Aff2_w2aab3b7c28b1b6b1aab1b4b4Aa}, Li, Yu^{Aff1_w2aab3b7c28b1b6b1aab1b4b3Aa}

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Availability: https://www.degruyter.com/document/doi/10.2478/s12175-014-0217-7/html

Authors: Tang, Yong^{Aff1_w2aab3b7c10b1b6b1aab1b4b5Aa}, Chang, Shih-sen^{Aff1_w2aab3b7c10b1b6b1aab1b4b5Aa}, Wang, Lin^{Aff1_w2aab3b7c10b1b6b1aab1b4b5Aa}, Zhao, Y.^{Aff1_w2aab3b7c10b1b6b1aab1b4b5Aa}, Chan, Chi^{Aff2_w2aab3b7c10b1b6b1aab1b4b6Aa}

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Availability: https://www.degruyter.com/document/doi/10.2478/s12175-013-0194-2/html

Authors: Chang, Shih-sen^{Aff1_w2aab3b7c12b1b6b1aab1b4b3Aa}, Joseph Lee, H.^{Aff2_w2aab3b7c12b1b6b1aab1b4b4Aa}, Chan, Chi^{Aff2_w2aab3b7c12b1b6b1aab1b4b4Aa}

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Availability: https://www.degruyter.com/document/doi/10.2478/s12175-013-0156-8/html

Authors: Deng, JianHua^{Aff1_w2aab2b8c60b1b7b1aab1b4b2Aa}, Wang, JinRong^{Aff1_w2aab2b8c60b1b7b1aab1b4b2Aa Aff2_w2aab2b8c60b1b7b1aab1b4b3Aa}

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Availability: https://www.degruyter.com/document/doi/10.2478/s11534-013-0270-9/html

Authors: Yao, Yonghong^{Aff1_w2aab2b8c10b1b7b1aab1b4b3Aa}, Cho, Yeol^{Aff2_w2aab2b8c10b1b7b1aab1b4b4Aa}, Liou, Yeong-Cheng^{Aff3_w2aab2b8c10b1b7b1aab1b4b5Aa}

Superior Title: Open Mathematics. 9(3):640-656

Availability: https://www.degruyter.com/document/doi/10.2478/s11533-011-0021-3/html

Authors: Kumam, Poom^{Aff1_w2aab3b7b8b1b6b1aab1b4b2Aa}, Plubtieng, Somyot^{Aff2_w2aab3b7b8b1b6b1aab1b4b3Aa}

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Availability: https://www.degruyter.com/document/doi/10.2478/s12175-011-0010-9/html

Authors: Petruşel, Adrian^{Aff1_w2aab2b8b4b1b7b1aab1b4b2Aa}, Yao, Jen-Chih^{Aff2_w2aab2b8b4b1b7b1aab1b4b3Aa}

Superior Title: Open Mathematics. 7(2):335-347

Availability: https://www.degruyter.com/document/doi/10.2478/s11533-009-0003-x/html