@article{VUU_2007_1_a15,
     author = {A. P. Beltiukov},
     title = {Simple typed functional programming languages},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {223--234},
     year = {2007},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2007_1_a15/}
}