XXIV. On the integration of the general linear partial differential equation of the second order
1868 ◽
Vol 35
(236)
◽
pp. 219-234
1868 ◽
Vol 35
(235)
◽
pp. 118-122
1931 ◽
Vol 2
(3)
◽
pp. 135-139
◽
1912 ◽
Vol s2-10
(1)
◽
pp. 406-422
1922 ◽
Vol 41
◽
pp. 76-81