
                                           
                    
                    
                   
          
     (.,.,.,..  
       .-.:, 1991.- 368 . 
     (.  16.       
         ))          
     -----------------------------------------------------

      : 0<=t<=1,

          dy1/dt = y3,
          dy2/dt = y4,
          dy3/dt = -(SYM / t) * y3 + Q * RZ^2 * W(y1,y2),
          dy4/dt = -(SYM / t) * y3 - Q * RZ^2 * BETA * W(y1,y2),

      

          W(y1,y2) =  y1^DEGR * exp(GAMA * (1 - 1 / y2)),
          Q -    .

      :

          t = 0:   y3 = 0,   y4 = 0,
          t = 1:   y3 = RZ * BI1 * (Y01 - y1),
                   y4 = RZ * BI2 * (Y02 - y2)

      :

          Y01, Y02, BI1, BI2, SYM, BETA, GAMA, DEGR, RZ.

          
       Q  y2(0)     
       FACTOR:
      
          FACTOR = (SYM + 1) * y3 / W(y1,y2) / RZ^2 / Q,

           t = 1. 

