Rockland ,C. (1975). Hypoellipticity and Eigenvalue Asymptotics. Springer-Verlag.
Chicago Edition CitationRockland ,C. Hypoellipticity and Eigenvalue Asymptotics. Berlin: Springer-Verlag, 1975.
Cita MLARockland ,C. Hypoellipticity and Eigenvalue Asymptotics. Springer-Verlag, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.