@article{UZERU_2019_53_1_a5,
     author = {D. A. Grigoryan},
     title = {On the uniqueness of $\beta\delta$-normal form of typed $\lambda$-terms for the canonical notion of $\delta$-reduction},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {37--46},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2019_53_1_a5/}
}