%A Thi Kim Dung Pham %A Catherine Dubois %A Nicole Levy %J Electronic Proceedings in Theoretical Computer Science %T Towards correct-by-construction product variants of a software product line: GFML, a formal language for feature modules %P 44-55 %V 182 %D 2015 %C London, United Kingdom %R doi:10.4204/EPTCS.182.4 %L SisLab1648