<span class="searchmatch">The</span> <span class="searchmatch">theory</span> <span class="searchmatch">of</span> <span class="searchmatch">general</span> <span class="searchmatch">relativity</span> <span class="searchmatch">and</span> <span class="searchmatch">gravitations</span>; <span class="searchmatch">based</span> <span class="searchmatch">on</span> <span class="searchmatch">a</span> <span class="searchmatch">course</span> <span class="searchmatch">of</span> <span class="searchmatch">lectures</span> <span class="searchmatch">delivered</span> <span class="searchmatch">at</span> <span class="searchmatch">the</span> <span class="searchmatch">Conference</span> <span class="searchmatch">on</span> <span class="searchmatch">recent</span> <span class="searchmatch">advances</span> <span class="searchmatch">in</span> <span class="searchmatch">physics</span> <span class="searchmatch">held</span> <span class="searchmatch">at</span> the...