Any Better way

moderator: message locked. per the forum rules, use a better subject.

I have IR document ..which is in RBKP for that I need to get the Accounting Doc ..in this MIR4 screen , if I click on Follow Up docs or FI docs I can see the Accounting Doc...but to link them technically the only way to do is RBKP-belnr = BKPF-xblnr ( again this is not the key ) so it there a better way ? is there an FI doc flow table , similiar to VBFA on SD side ? ..