Singularly perturbed differential operators of second order
Groen, P. P. N. De.
Singularly perturbed differential operators of second order - Amsterdam Mathematisch Centrum 1976 - ix, 159p. Ref. - Mathematical centre tracts v. 68 .
515.35 / G874.SP
Singularly perturbed differential operators of second order - Amsterdam Mathematisch Centrum 1976 - ix, 159p. Ref. - Mathematical centre tracts v. 68 .
515.35 / G874.SP
