Bendixson returned to Abel 's original contribution and showed that Abel 's methods could be extended to describe precisely which equations could be solved by radicals.
Bendixson ibabalik sa Abel 's orihinal na kontribusyon at ipinakita na Abel' s pamamaraan ay maaaring ilarawan ang pinalawig sa tiyak na equation ay maaaring malulutas sa pamamagitan ng radicals.