@article{KYB_1990__26_4_a5,
     author = {Peregrin, Jaroslav},
     title = {On a logical formalization of natural language},
     journal = {Kybernetika},
     pages = {327--341},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {1990},
     mrnumber = {1080285},
     zbl = {0725.03011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1990__26_4_a5/}
}