MR1610701
Li, Wan-Tong and Cheng, Sui Sun
Wan-Tong LI and Sui Sun CHENG
Classifications and existence of positive solutions of second order nonlinear neutral difference equations
Funkcialaj Ekvacioj. Serio Internacia
40
1997
371--393
http://fe.math.kobe-u.ac.jp/FE/Free/vol40/fe40-3-3.pdf
http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE35-40-en_KML/fe40-371-393/fe40-371-393.pdf
http://www.ams.org/mathscinet-getitem?mr=MR1610701
fe40-371-393
1997
Classifications and Existence of Positive Solutions of Second Order Nonlinear Neutral Difference Equations
LI, Wan-Tong; Sun CHENG, Sui
LI, Wan-Tong; Sun CHENG, Sui
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