TY  - JOUR
AU  - Cremona, J. E.
TI  - Addendum and errata “Hyperbolic tessellations, modular symbols, and elliptic curves over complex quadratic fields”
JO  - Compositio Mathematica
PY  - 1987
SP  - 271
EP  - 272
VL  - 63
IS  - 2
PB  - Martinus Nijhoff Publishers
UR  - http://www.numdam.org/item/CM_1987__63_2_271_0/
LA  - en
ID  - CM_1987__63_2_271_0
ER  -