Litterature reference - secp256k1 InverseCharacteristic (= Point.InverseOrder)

[Sajjon]

Where can I find a literature reference to the values:

    InverseN: (
        high: UInt256(1),
        low: UInt256([0, 1, 0x4551231950b75fc4, 0x402da1732fc9bec0])
    )

Thanks!