Nonlocal boundary-value problems for systems on linear partial differential equations
1997 ◽
Vol 49
(11)
◽
pp. 1659-1670
◽
1964 ◽
Vol 19
(3)
◽
pp. 1-51
◽
1971 ◽
Vol 5
(1)
◽
pp. 193-210
◽