Brihat Parashara Hora Shastra
अर्गलां प्रतिबन्धञ्च कथमांघ्रिचतुर्थयोः । द्वित्र्यङ्घ्रयोश्च मिथो विप्र चिन्तयेदिति मे मतम् ॥ १०॥
Special. The Argala, caused by placement of a Grah in the first one fourth part of the Rāśi, is countered by another, placed in the 4th quarter of the respective obstructive Rāśi. Similarly 2nd quarter‟s Argala is eliminated by the 3rd quarter placement of another Grah.
english translation
argalAM pratibandhaJca kathamAMghricaturthayoH । dvitryaGghrayozca mitho vipra cintayediti me matam ॥ 10॥
hk transliteration by Sanscript