Jackson, D. A. ; Tuan, Duong Hong Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences.
291
(1966)
1424
- p.
9-17
,
1966
Jackson, D. A. ; Tuan, Duong Hong Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences.
280
(1964)
1382
- p.
323-339
,
1964
Jackson, D. A. ; Tuan, Duong Hong Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences.
274
(1963)
1357
- p.
145-153
,
1963