Abstract
We determine the structure of finite minimal nondispersible groups each nonmetacyclic subgroup of which is normal (Theorem 2) and describe all finite nondispersible groups each nonmetacyclic subgroup of which is normal (Theorem 3).
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Kovalenko, V.I. Structure of finite nondispersible groups each nonmetacyclic subgroup of which is normal. Ukr Math J 48, 1517–1521 (1996). https://doi.org/10.1007/BF02377820
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DOI: https://doi.org/10.1007/BF02377820