@article{10_4064_aa144_2_8, author = {Jeremy Lovejoy and Robert Osburn}, title = {$M_2$-rank differences for overpartitions}, journal = {Acta Arithmetica}, pages = {193--212}, publisher = {mathdoc}, volume = {144}, number = {2}, year = {2010}, doi = {10.4064/aa144-2-8}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa144-2-8/} }