Kolyankovskiy D.P. Polnye resheniya vsevozmozhnymi sposobam i podrobnye obyasneniya vsekh 843 trigonometricheskikh zadach./Kolyankovsky D.P. Complete solutions in all possible ways and detailed explanations of all 843 trigonometric problems. In Russian (ask us if in doubt). - landofmagazines.com

TransliterationKolyankovskiy D.P. Polnye resheniya vsevozmozhnymi sposobam i podrobnye obyasneniya vsekh 843 trigonometricheskikh zadach.

In EnglishKolyankovsky D.P. Complete solutions in all possible ways and detailed explanations of all 843 trigonometric problems. In Russian (ask us if in doubt).

$399