Agarwal, R. P., & O'Regan, D. Birkhoff-Kellogg theorems on invariant directions for multimaps. Wiley.
Chicago Style (17th ed.) CitationAgarwal, Ravi P., and Donal O'Regan. Birkhoff-Kellogg Theorems on Invariant Directions for Multimaps. Wiley.
MLA (9th ed.) CitationAgarwal, Ravi P., and Donal O'Regan. Birkhoff-Kellogg Theorems on Invariant Directions for Multimaps. Wiley.
Warning: These citations may not always be 100% accurate.