@article{10_4064_aa147_3_6,
     author = {Marvin Knopp and Geoffrey Mason},
     title = {Logarithmic vector-valued modular forms},
     journal = {Acta Arithmetica},
     pages = {261--282},
     publisher = {mathdoc},
     volume = {147},
     number = {3},
     year = {2011},
     doi = {10.4064/aa147-3-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa147-3-6/}
}