How to reinstall Mavericks on my macbook ?

Hi everyone,
After having installed Windows 7 in dual boot with Bootcamp on my Macbook pro, I created a new FAT32 partition (using Windows 7 disk manager tool), so that I could put my common files for Mavericks and Win 7 on it. But my SSD Disk changed from "basic" to "dynamic", and then I was unable to boot from it.
That meant I couldn't boot from Mavericks, or Win 7 or Mac OS X Recovery disk partitions anymore. I was in difficulty, so I formatted my disk and installed Fedora.
Now, I'm running Fedora and :
     - Mac OS Recovery doesn't exist anymore on my disk
     - Netboot (Key 'N' on boot) doesn't work (the globe blinks during one minute and then Fedora boots...)
     - A friend gave me a USB key with Mac OS Recovery bootable on it but my Macbook doesn't allow me to boot from it (cross in the middle of the screen when I select the boot device). My friend owns a Macbook pro, I own a Macbook pro Retina. That may be the problem.
So, what are my solutions to reinstall Mavericks on my macbook (for free, obviously...) ? Should I visit an Apple store ?
Thank you,

If your Mac shipped with OS X 10.7 or later preinstalled, or if it's one of the computers that can be upgraded to use OS X Internet Recovery, you may be able to netboot from an Apple server by holding down the key combination command-option-R at the startup chime. Release the keys when you see a spinning globe. You should then be able to repartition the drive and install the original OS. After that, if you need to upgrade, download the current OS X installer from the App Store.
Note: You need an always-on Ethernet or Wi-Fi connection to the Internet to use Recovery. It won’t work with USB or PPPoE modems, or with proxy servers, or with networks that require a certificate for authentication.

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