@article{10_4153_CMB_1981_045_3,
     author = {Kotlarski, H. and Krajewski, S. and Lachlan, A. H.},
     title = {Construction of {Satisfaction} {Classes} for {Nonstandard} {Models}},
     journal = {Canadian mathematical bulletin},
     pages = {283--293},
     year = {1981},
     volume = {24},
     number = {3},
     doi = {10.4153/CMB-1981-045-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-045-3/}
}