Carfì, D., 		Donato, A., & 		Schilirò, D.
(2018).
 A Multidimensional Coopetitive Duopoly model for a Sustainable Global Economy.
<em>Journal Of Mathematical Economics And Finance, 4</em>(1(6)), 99 - 116.
doi:10.14505//jmef.v4.1(6).07