@incollection {key981372m,
AUTHOR = {Hirzebruch, Friedrich},
TITLE = {Elliptic genera of level \$N\$ for complex
manifolds},
BOOKTITLE = {Differential geometrical methods in
theoretical physics},
EDITOR = {Bleuler, K. and Werner, M.},
SERIES = {NATO ASI Series, Series C: Mathematical
Physical Sciences},
NUMBER = {250},
PUBLISHER = {Springer},
ADDRESS = {Berlin},
YEAR = {1988},
PAGES = {37--63},
NOTE = {(Como, Italy, 24--29 August 1987). MR:981372.
Zbl:0667.32009.},
ISSN = {1389-2185},
ISBN = {9789048184590},
}
