TY  - DATA
AU  - E. Martinelli
TI  - Classi caratteristiche e questioni connesse
SN  - 9783642110481
PY  - 2011///
PB  - Springer Berlin Heidelberg
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-642-11048-1
ER  -