Grover, C. A..
Hyperbolic Functions Their Derivation and Applications / Grover C. A.. - Manchester : Classifax Publications, 1948. - 40 s.; 25 cm. - Kybernetik Informationsverarbeitung . - Kybernetik Informationsverarbeitung .
Hyperbolic Functions Their Derivation and Applications / Grover C. A.. - Manchester : Classifax Publications, 1948. - 40 s.; 25 cm. - Kybernetik Informationsverarbeitung . - Kybernetik Informationsverarbeitung .