@article{10_4064_fm175_1_5,
     author = {Tapani Hyttinen and Saharon Shelah and Jouko Vaananen},
     title = {More on the {Ehrenfeucht{\textendash}Fraisse} game of length $\omega _1$},
     journal = {Fundamenta Mathematicae},
     pages = {79--96},
     publisher = {mathdoc},
     volume = {175},
     number = {1},
     year = {2002},
     doi = {10.4064/fm175-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm175-1-5/}
}