@article{ITA_1988__22_3_319_0,
     author = {Salomaa, Kai},
     title = {Yield-languages recognized by alternating tree recognizers},
     journal = {RAIRO. Informatique th\'eorique et applications},
     pages = {319--339},
     year = {1988},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {3},
     mrnumber = {963595},
     zbl = {0656.68087},
     language = {en},
     url = {https://www.numdam.org/item/ITA_1988__22_3_319_0/}
}