Phaladeepika
त्रिकोणाधिपयोर्मध्ये सम्बन्धो येन केनचित् । केन्द्रनाथस्य बलिनो भवेद्यदि स योगकृत् ॥ ४६॥
If out of the lords of the 5 th and 9 th, one of them happen to be related (vide XV-30 supr ) to a strong planet owning a Kendra, he becomes a Yogakaraka, i.e., powerful in promoting the prosperity of the native.
english translation
trikoNAdhipayormadhye sambandho yena kenacit । kendranAthasya balino bhavedyadi sa yogakRt ॥ 46॥
hk transliteration by Sanscript