共 5 条
[1]
Eisenhart L., 1940, INTRO DIFFERENTIAL G
[2]
HOWARTH L, 1951, PHILOS MAG, V42, P239
[3]
HOWARTH L, 1951, PHILOS MAG, V42, P1422
[5]
SQUIRE LC, 1957, AERO RES COUNC LOND, P3006