Brihat Parashara Hora Shastra
एवं होरादृकाणाद्रिभागांकद्वादशांशजम् । त्रिंशांशजं तदैक्यञ्च सप्तवर्गसमुद्भवम् ॥ ४॥
OjhayugmaRāśiāńś Bal. Each of Śukr and Candr in even Rāśis and others in odd Rāśis acquire a quarter of Rupa. These are applicable to such Navāńśas also.
english translation
evaM horAdRkANAdribhAgAMkadvAdazAMzajam । triMzAMzajaM tadaikyaJca saptavargasamudbhavam ॥ 4॥
hk transliteration by Sanscript