@article{PIM_1994_N_S_56_70_a1,
     author = {Marica D. Pre\v{s}i\'c and Slavi\v{s}a B. Pre\v{s}i\'c},
     title = {A {Constructive} {Proof} of {Equivalence} of {Formalism} od {DCG's} {With} the {Formalism} of {Type} 0 {Phrase-structure} {Grammars}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {7 },
     publisher = {mathdoc},
     volume = {_N_S_56},
     number = {70},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1994_N_S_56_70_a1/}
}