Hellwig, Gunter.
Differential operators of mathematical physics :an introduction /DUNTER HELLWIG - Massachusetts Addison-Wesley Pub. 1964 - vii, 296 p.
Includes bibliography, appendix, index
Differential operators
515.72 / HEL
Differential operators of mathematical physics :an introduction /DUNTER HELLWIG - Massachusetts Addison-Wesley Pub. 1964 - vii, 296 p.
Includes bibliography, appendix, index
Differential operators
515.72 / HEL