@article{CTGDC_2010__51_1_3_0,
     author = {Ad\'amek, Jir{\'\i} and Sousa, Lurdes},
     title = {On quasi-equations in locally presentable categories {II:} {A} {Logic}},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     eid = {1},
     pages = {3--28},
     publisher = {Andr\'ee CHARLES EHRESMANN},
     volume = {51},
     number = {1},
     year = {2010},
     mrnumber = {2650577},
     zbl = {1196.18003},
     language = {en},
     url = {http://archive.numdam.org/item/CTGDC_2010__51_1_3_0/}
}