@article{10_21136_CPM_1974_117855,
     author = {Asztalos, Domonkos},
     title = {A note on van {Wijngaarden} syntax},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {347--351},
     publisher = {mathdoc},
     volume = {099},
     number = {4},
     year = {1974},
     doi = {10.21136/CPM.1974.117855},
     mrnumber = {0391595},
     zbl = {0297.68067},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1974.117855/}
}