Irregular singularities in several variables/
Essen, A. R. P. van den 1951-
Irregular singularities in several variables/ A. R. P. van den Essen and A. H. M. Levelt. - Providence, R.I.: American Mathematical Society, 1982. - iv, 43 p.; 26 cm. - Memoirs of the American Mathematical Society; no. 270. .
Includes index.
Bibliography: p. 42-43.
0821822705 (pbk.)
82018161
Differential equations.
Partial differential operators.
Singularities (Mathematics)
510 s 515.3/52
Irregular singularities in several variables/ A. R. P. van den Essen and A. H. M. Levelt. - Providence, R.I.: American Mathematical Society, 1982. - iv, 43 p.; 26 cm. - Memoirs of the American Mathematical Society; no. 270. .
Includes index.
Bibliography: p. 42-43.
0821822705 (pbk.)
82018161
Differential equations.
Partial differential operators.
Singularities (Mathematics)
510 s 515.3/52