<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><a href="https://www.amazon.com/Want-Be-Mathematician-Automathography-Spectrum/dp/0883854457/ref=sr_1_5?qid=1690890399&refinements=p_27%3APaul+Halmos&s=books&sr=1-5">paul halmos</a> 21. dakikada </div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><a href="https://youtu.be/q5SkVmZhnBw">https://youtu.be/q5SkVmZhnBw</a><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><a href="https://youtu.be/QhBvuW-kCbM">https://youtu.be/QhBvuW-kCbM</a><br></div></div>