Non-euclidean geometry: The Gauss formula and an interpretation of partial differential equations
1996 ◽
Vol 78
(3)
◽
pp. 241-252
◽
1998 ◽
Vol 14
(4)
◽
pp. 883-903
2009 ◽
2013 ◽
Vol 1
(1)
◽
pp. 92-101