Ross, Shepley L., author
Xerox College Publishing, 1964
Buku Teks
Marin, Marin, author
Springer Cham, 2019
eBooks
Khasminskii, Rafail, author
Springer, 2012
eBooks
edited by M. Farkas
North-Holland, 1977
Buku Teks
edited by Luis A. Caffarelli, Xavier Cabre, Juan Soler
Springer, 2012
eBooks