TY - JOUR AU - Aggarwala, B. D. PY - 1997 DA - 1900/01/01 TI - On quadruple integral equations involving trigonometric kernels SP - 264786 VL - 20 AB - SN - 0161-1712 UR - https://doi.org/10.1155/S0161171297000422 DO - 10.1155/S0161171297000422 JF - International Journal of Mathematics and Mathematical Sciences PB - Hindawi Publishing Corporation KW - ER -