An inverse problem for an elliptic partial differential equation
1987 ◽
Vol 126
(2)
◽
pp. 329-340
◽
2015 ◽
Vol 2015
◽
pp. 1-9
◽
1982 ◽
Vol 7
(5)
◽
pp. 609-643
◽
2019 ◽
Vol 98
◽
pp. 121-127
◽
2020 ◽
Vol 36
(5)
◽
pp. 1028-1043