Tome 10 (1974) no. 7
Sommaire
p. 1155-1159
p. 1160-1167
p. 1168-1172
p. 1173-1185
p. 1186-1195
p. 1213-1224
Integral curves of the differential equation $(1+x)yy'=-x P_3(x)-x P_1(x)y+\delta y^2$ with a center
p. 1231-1241
p. 1286-1292
p. 1332-1334