Ellman, M. (1973). Planning problems in the USSR: The contribution of mathematical economics to their solution 1960-1971. University Press.
Dyfyniad Arddull ChicagoEllman, Michael. Planning Problems in the USSR: The Contribution of Mathematical Economics to Their Solution 1960-1971. Cambridge, Eng: University Press, 1973.
Dyfyniad MLAEllman, Michael. Planning Problems in the USSR: The Contribution of Mathematical Economics to Their Solution 1960-1971. University Press, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.