THE MULTIGRID DIRECTION-SPLIT METHOD FOR NUMERICAL SOLUTION OF MULTIDIMENSIONAL PROBLEMS

B. L. Voronin
VANT. Ser.: Mat. Mod. Fiz. Rroc 1989. Вып.3. С. 109-111.

      On the basis of the well-known statement that the Volterra operator with limited nucleus is a compressing transformation, the compressibility condition is formulated for the general-type integral operator with asymmetric nucleus.