A MATRIX THEORY OF MULTI-LEVEL DIFFERENCE EQUATIONS ANALOGOUS TO LINEAR PARTIAL DIFFERENTIAL EQUATIONS WITH CONSTANT COEFFICIENTS
1966 ◽
Vol 20
(2)
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pp. 283-305
2013 ◽
Vol 255
(8)
◽
pp. 2400-2401
◽
1969 ◽
Vol 8
(2)
◽
pp. 275-285
◽
1975 ◽
Vol 11
(2)
◽
pp. 441-460
◽
1960 ◽
Vol 33
(1)
◽
pp. 1-23
◽