@article{MET_1976__23_186154,
     author = {J. Casti},
     title = {Variable {Structure} {Systems} with {Application} to {Economics} and {Biology}  -  {Mohler,} {R.R.,} and {A.} {Ruberti} .},
     journal = {Metrika},
     pages = {125--125},
     publisher = {mathdoc},
     volume = {23},
     year = {1976},
     url = {http://geodesic.mathdoc.fr/item/MET_1976__23_186154/}
}