@article{10_4064_fm_64_3_329_333,
     author = {H. Doest},
     title = {Novak's result by {Henkin's} method},
     journal = {Fundamenta Mathematicae},
     pages = {329--333},
     publisher = {mathdoc},
     volume = {64},
     number = {3},
     year = {1969},
     doi = {10.4064/fm-64-3-329-333},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-64-3-329-333/}
}