@article{10_4064_fm_136_3_133_145,
     author = {Zofia Adamowicz},
     title = {End-extending models of $I\ensuremath{\Delta}_0 + exp + B\ensuremath{\Sigma}_1$},
     journal = {Fundamenta Mathematicae},
     pages = {133--145},
     publisher = {mathdoc},
     volume = {136},
     number = {3},
     year = {1990},
     doi = {10.4064/fm-136-3-133-145},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-136-3-133-145/}
}