@article{AMBP_2012__19_2_379_0,
     author = {Petropoulos, P. Marios and Vanhove, Pierre},
     title = {Gravity, strings, modular and quasimodular~forms},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {379--430},
     publisher = {Annales math\'ematiques Blaise Pascal},
     volume = {19},
     number = {2},
     year = {2012},
     doi = {10.5802/ambp.317},
     zbl = {1263.11117},
     mrnumber = {3025139},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/ambp.317/}
}