@article{UZERU_2013_3_a7,
     author = {S. A. Khachatryan},
     title = {On termination of functional symbol-free logic programs},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {49--56},
     publisher = {mathdoc},
     number = {3},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2013_3_a7/}
}