Dongsheng KANG , Jing LUO , Xiaolin SHI . SOLUTIONS TO ELLIPTIC SYSTEMS INVOLVING DOUBLY CRITICAL NONLINEARITIES AND HARDY-TYPE POTENTIALS[J]. Acta mathematica scientia, Series B, 2015 , 35(2) : 423 -438 . DOI: 10.1016/S0252-9602(15)60013-3

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