@article{KYB_1993__29_5_a3, author = {Zagalak, Petr and Lafay, Jean-Fran\c{c}ois and Loiseau, Jean-Jacques}, title = {An approach to the {Morgan} problem}, journal = {Kybernetika}, pages = {423--430}, publisher = {mathdoc}, volume = {29}, number = {5}, year = {1993}, mrnumber = {1264875}, zbl = {0806.93026}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1993__29_5_a3/} }