Do non-free LCD codes over finite commutative Frobenius rings exist?

Sanjit Bhowmick, Alexandre Fotue Tabue, Edgar Martínez-Moro, Ramakrishna Bandi, Satya Bagchi. Do non-free LCD codes over finite commutative Frobenius rings exist?. Des. Codes Cryptography, 88(5):825-840, 2020. [doi]

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