4 References
1. IBM Qiskit Textbook on Shor's
Algorithm
2. How Quantum Computers Break Encryption -- Shor's Algorithm
Explained
3. S.
Beauregard (2003), Circuit for Shor's algorithm using 2n+3 qubits. Also
on quant-ph/0205095
4. M.
Nielsen and I. Chuang (2010), Quantum Computation and Quantum Information
5. VQE for TSP