On Two-Component Wave Equations
1985 ◽
Vol 54
(4)
◽
pp. 1249-1256
◽
Keyword(s):
2009 ◽
Vol 130
(16)
◽
pp. 164114
◽
Keyword(s):
1969 ◽
Vol 22
(18)
◽
pp. 972-974
◽