The inverse problem for differential operators of second order with regular boundary conditions
1968 ◽
Vol 134
(2)
◽
pp. 355
◽
1985 ◽
pp. 317-324
Keyword(s):
Keyword(s):
2013 ◽
Vol 37
(5)
◽
pp. 698-710
◽
2014 ◽
Vol 3
(1)
◽
pp. 49-61
◽
2000 ◽
Vol 30
(3)
◽
pp. 869-899
◽