1.
|
Berlin ; Boston : De Gruyter, c2012.
|
2.
|
New York : J. Wiley, c1992.
|
3.
|
New York, Dover Publications [1961]
|
4.
|
New York, Ronald Press Co. [1966]
|
5.
|
Providence : American Mathematical Society, 2024.
|
6.
|
Cham, Switzerland : Springer, [2019]
|
7.
|
Cham : Springer, [2014] ©2015
|
8.
|
|
9.
|
London ; New York : Longman, 1982.
|