Metric Diophantine Approximation on Manifolds – Vasiliĭ Ivanovich Bernik, M. M. Dodson – Google Books

Transference principle
https://books.google.com/books?id=pp18ejyYv_oC&pg=PA6&lpg=PA6&dq=transference+principle+dual&source=bl&ots=nyR5U1jMGZ&sig=XmHSMFjIvdPqWUC7tSxfthZE7tk&hl=en&sa=X&ved=0ahUKEwilutSI2OPTAhUR0GMKHV_TCdQQ6AEIGDAG#v=onepage&q=transference%20principle%20dual&f=false

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