@article{IJAMCS_2010_20_1_a2,
     author = {Nalepa, G. J. and Lig\k{e}za, A.},
     title = {The {HeKatE} methodology. {Hybrid} engineering of intelligent systems},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {35--53},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2010_20_1_a2/}
}