@article{01046340,
title = {On quadruple integral equations involving trigonometric kernels.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {20},
year = {1997},
pages = {311-322},
doi = {10.1155/S0161171297000422},
zbl = {0888.45003},
language = {en},
url = {http://dml.mathdoc.fr/item/01046340}
}
Aggarwala, B.D. On quadruple integral equations involving trigonometric kernels.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 311-322. doi : 10.1155/S0161171297000422. http://gdmltest.u-ga.fr/item/01046340/