Dantzig, George. "4. Linear Equation and Inequality Systems". Linear Programming and Extensions, Princeton: Princeton University Press, 1963, pp. 69-93. https://doi.org/10.1515/9781400884179-005
Dantzig, G. (1963). 4. Linear Equation and Inequality Systems. In Linear Programming and Extensions (pp. 69-93). Princeton: Princeton University Press. https://doi.org/10.1515/9781400884179-005
Dantzig, G. 1963. 4. Linear Equation and Inequality Systems. Linear Programming and Extensions. Princeton: Princeton University Press, pp. 69-93. https://doi.org/10.1515/9781400884179-005
Dantzig, George. "4. Linear Equation and Inequality Systems" In Linear Programming and Extensions, 69-93. Princeton: Princeton University Press, 1963. https://doi.org/10.1515/9781400884179-005
Dantzig G. 4. Linear Equation and Inequality Systems. In: Linear Programming and Extensions. Princeton: Princeton University Press; 1963. p.69-93. https://doi.org/10.1515/9781400884179-005