Author/Authors :
Haltar، نويسنده , , D. and Ankhbayar، نويسنده , , G. and Altansuvd، نويسنده , , B.، نويسنده ,
Keywords :
Hamiltonian , Zero-cost , Conjugate function , Nonzero-cost , domestic animals , Cattle-breeding farm , Maximum principle , Hiring of labor , phase diagram , Index of economic limitation , Homogeneous population , Optimal harvest and management