Vekua's Method for Solving the Equation ... and a Cauchy Problem for an Ultrahyperbolic Equation
1974 ◽
Vol 23
(0)
◽
pp. 139-142
2003 ◽
Vol 8
(1)
◽
pp. 61-75
2015 ◽
Vol 47
(9)
◽
pp. 63-75
◽
Keyword(s):
2020 ◽
Vol 60
(9)
◽
pp. 1422-1444
Keyword(s):