Mean value theorems for solutions of linear partial differential equations with constant coefficients
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
◽