Rockland, C. (1975). Hypoellipticity and eigenvalue asymptotics Charles Rockland. Springer-Verlag. https://doi.org/10.1007/BFb0096096
Chicago Style (17th ed.) CitationRockland, Charles. Hypoellipticity and Eigenvalue Asymptotics Charles Rockland. Berlin ; New York: Springer-Verlag, 1975. https://doi.org/10.1007/BFb0096096.
MLA (9th ed.) CitationRockland, Charles. Hypoellipticity and Eigenvalue Asymptotics Charles Rockland. Springer-Verlag, 1975. https://doi.org/10.1007/BFb0096096.
Warning: These citations may not always be 100% accurate.