Brihat Samhita
आसन्नक्रमयोगाद्भेदौल्लेखांशुमर्दन असव्यैः। युद्धं चतुष्प्रकारं पराशरऽद्यैर्मुनिभिरुक्तम् ॥ १७-०३ ॥
The conjunctions of the planets are of four sorts known technically as—1. Bheda 2. Ullekha 3. Aṃśumardana 4. Asavya, according as the planets are more and more distant from each other, as stated by Parāśara and other Ṛṣis.
english translation
AsannakramayogAdbhedaullekhAMzumardana asavyaiH। yuddhaM catuSprakAraM parAzara'dyairmunibhiruktam ॥ 17-03 ॥
hk transliteration by Sanscript