@misc{KYB_1996__32_2_a7, title = {Book reviews}, journal = {Kybernetika}, pages = {207--208}, publisher = {mathdoc}, volume = {32}, number = {2}, year = {1996}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1996__32_2_a7/} }