Increasing solutions of linear second-order equations with nonnegative characteristic form
Keyword(s):
1987 ◽
Vol 12
(12)
◽
pp. 849-853
1979 ◽
Vol 4
(7)
◽
pp. 701-737
◽
Keyword(s):
1984 ◽
Vol 14
(3)
◽
pp. 549-558
◽
1984 ◽
Vol 286
(1)
◽
pp. 295-295
1981 ◽
Vol 11
(1)
◽
pp. 59-74
◽