The Ratnakuta is actually a collection of 49 other sutras, including the Longer Amitabha sutra and one of the Prajna Paramita sutras. If you can find a list of the sutras it contains online, you can find the relevant sutras.
The Ratnakuta is actually a collection of 49 other sutras, including the Longer Amitabha sutra and one of the Prajna Paramita sutras. If you can find a list of the sutras it contains online, you can find the relevant sutras.