Niu, P., & Zhang, K. High Order Fefferman-Phong Type Inequalities in Carnot Groups and Regularity for Degenerate Elliptic Operators plus a Potential. Wiley.
Chicago Style (17th ed.) CitationNiu, Pengcheng, and Kelei Zhang. High Order Fefferman-Phong Type Inequalities in Carnot Groups and Regularity for Degenerate Elliptic Operators Plus a Potential. Wiley.
MLA (9th ed.) CitationNiu, Pengcheng, and Kelei Zhang. High Order Fefferman-Phong Type Inequalities in Carnot Groups and Regularity for Degenerate Elliptic Operators Plus a Potential. Wiley.
Warning: These citations may not always be 100% accurate.