On the approximate calculation of double integrals with weight function
Arro, Voldemar
1995
https://www.ester.ee/record=b1067579*est
On the approximate calculation of double integrals with weight function
Arro, Voldemar
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics
2000
/
2, p. 67-74
https://artiklid.elnet.ee/record=b1004121*est