@article{10_4064_fm_100_1_51_57,
     author = {Pawe{\l} Zbierski},
     title = {Axiomatizability of second order arithmetic with \ensuremath{\omega}-rule},
     journal = {Fundamenta Mathematicae},
     pages = {51--57},
     publisher = {mathdoc},
     volume = {100},
     number = {1},
     year = {1978},
     doi = {10.4064/fm-100-1-51-57},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-100-1-51-57/}
}